Z.AI: GLM 4 32B vs GPT-5.1-Codex
Compare Z.AI: GLM 4 32B by Zhipu AI against GPT-5.1-Codex by OpenAI, context windows of 128K vs 400K, tested across 52 shared challenges. Updated April 2026.
Which is better, Z.AI: GLM 4 32B or GPT-5.1-Codex?
Z.AI: GLM 4 32B and GPT-5.1-Codex are both competitive models. Z.AI: GLM 4 32B costs $0.1/M input tokens vs $1.25/M for GPT-5.1-Codex. Context windows: 128K vs 400K tokens. Compare their real outputs side by side below.
Key Differences Between Z.AI: GLM 4 32B and GPT-5.1-Codex
Z.AI: GLM 4 32B is made by zhipu while GPT-5.1-Codex is from openai. Z.AI: GLM 4 32B has a 128K token context window compared to GPT-5.1-Codex's 400K. On pricing, Z.AI: GLM 4 32B costs $0.1/M input tokens vs $1.25/M for GPT-5.1-Codex.
No community votes yet. On paper, GPT-5.1-Codex has the edge — bigger model tier, newer, bigger context window.
Z.AI: GLM 4 32B is 100x cheaper per token — worth considering if cost matters.
Style Comparison
GPT-5.1-Codex uses 9.3x more transitions
vsAsk them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
